MicroPython Simple Keypad
=========================
|MicroPython| |License|
MicroPython library for interfacing with a keypad matrix
Feature
-------
- Supports any keypad matrix configuration.
- Easily customizable for different keypad layouts.
- Provides exception handling for error management.
Example Usage
-------------
Example for 4x4 keypad metrix on MicroPython esp32.
.. code:: python
from machine import Pin
from keypad import Keypad
from time import sleep
# Define GPIO pins for rows
row_pins = [Pin(25),Pin(26),Pin(27),Pin(14)]
# Define GPIO pins for columns
column_pins = [Pin(23),Pin(22),Pin(19),Pin(18)]
# Define keypad layout
keys = [
['1', '2', '3', 'A'],
['4', '5', '6', 'B'],
['7', '8', '9', 'C'],
['*', '0', '#', 'D']]
keypad = Keypad(row_pins, column_pins, keys)
while True:
key_pressed = keypad.read_keypad()
if key_pressed:
print("Key pressed:", key_pressed)
sleep(0.1) # debounce and delay
.. |MicroPython| image:: https://img.shields.io/badge/MicroPython-Ready-brightgreen.svg
.. |License| image:: https://img.shields.io/badge/License-MIT-blue.svg
:target: https://opensource.org/licenses/MIT
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